公开(公告)号：US20180317253A1

公开(公告)日：2018-11-01

申请号：US16027936

申请日：2018-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel YANG ,  Joonkui AHN ,  Hyangsun YOU ,  Yunjung YI

IPC: H04W72/12 ,  H04W74/08 ,  H04W72/04

Abstract: A method of receiving a downlink signal by a user equipment in a wireless communication system is discussed. The method includes receiving a plurality of scheduling information, each scheduling information being associated with a respective data in a same time unit, and receiving at least one of a plurality of the respective data based on whether sizes of the first and second data are under a processing capability of the user equipment, wherein the processing capability of the user equipment includes two maximum data sizes, and a first maximum data size T1 is smaller than a second maximum data size T2.

公开(公告)号：US20180317183A1

公开(公告)日：2018-11-01

申请号：US16027196

申请日：2018-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui AHN ,  Byounghoon KIM ,  Suckchel YANG ,  Hanbyul SEO ,  Yunjung YI

IPC: H04W52/36 ,  H04W52/14 ,  H04W72/04 ,  H04W52/34 ,  H04W52/38

Abstract: Provided are a method and an apparatus for controlling transmission power in a wireless communication system. A wireless device is connected to a first serving cell utilizing a licensed band and a second serving cell utilizing a non-licensed band. The transmission power from the second serving cell is determined by considering the clear channel assessment (CCA) coverage of the wireless device or the second serving cell.

公开(公告)号：US20180278398A1

公开(公告)日：2018-09-27

申请号：US15762667

申请日：2016-09-23

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui AHN ,  Suckchel YANG

IPC: H04L5/00 ,  H04L1/18

CPC classification number: H04L5/0055 ,  H04L1/18 ,  H04L1/1812 ,  H04L5/00 ,  H04L27/2601 ,  H04L27/2602

Abstract: A method for a wireless device to which a plurality of serving cells are assigned transmitting uplink control information (UCI) in a wireless communication system is provided. The wireless device transmits uplink data in a subframe to a physical uplink shared channel (PUSCH), and transmits UCI including a hybrid automatic repeat request (HARQ) ACK/NACK and periodic channel state information (CSI) in the subframe to a physical uplink shared channel (PUCCH). The PUCCH and the PUSCH have the same demodulation reference signal (DMRS) location within the subframe.

公开(公告)号：US20180248668A1

公开(公告)日：2018-08-30

申请号：US15756954

申请日：2016-09-08

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Joonkui AHN ,  Yunjung YI

IPC: H04L5/00 ,  H04W74/08 ,  H04W4/70 ,  H04W72/04 ,  H04W48/16

CPC classification number: H04L5/0053 ,  H04L5/001 ,  H04L5/0094 ,  H04W4/00 ,  H04W4/50 ,  H04W4/70 ,  H04W48/16 ,  H04W72/0453 ,  H04W74/0833 ,  H04W76/27

Abstract: One disclosure of the present specification provides a method for performing, by a machine type communication (MTC) device, communication using a narrowband. The method may comprise the steps of: receiving setting information on a narrowband which can be used for communication, wherein the setting information comprises at least one narrowband which can be used according to at least one physical channel; determining a narrowband for a physical channel for communication on the basis of the setting information; and performing communication with respect to the physical channel using the determined narrowband.

公开(公告)号：US20180235008A1

公开(公告)日：2018-08-16

申请号：US15751840

申请日：2016-08-11

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Joonkui AHN ,  Seonwook KIM ,  Kijun KIM ,  Byounghoon KIM ,  Hanbyul SEO

IPC: H04W74/08 ,  H04W16/14 ,  H04B7/06 ,  H04W16/28

Abstract: According to one embodiment of the present invention, a method by which a wireless communication device including a plurality of antennas transmits and receives a wireless signal in an unlicensed band in a wireless communication system comprises the steps of: performing a clear channel assessment (CCA) by using the plurality of antennas for a predetermined time interval in the unlicensed band; and transmitting the wireless signal through the unlicensed band when it is determined that the unlicensed band is in an idle state in which the unlicensed band is not occupied by other wireless communication devices, wherein the step of performing the CCA can comprise the steps of: acquiring one reference value by using energy sensing indicators (ESIs) measured through the plurality of antennas; and comparing the reference value with a CCA threshold value so as to determine whether the unlicensed band is in an idle state.

公开(公告)号：US20180234871A1

公开(公告)日：2018-08-16

申请号：US15751965

申请日：2016-08-12

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui AHN ,  Kijun KIM ,  Yunjung YI ,  Seonwook KIM

IPC: H04W24/10 ,  H04W28/26 ,  H04W74/08

Abstract: Provided are a method and an apparatus for performing radio resource management (RRM) measurement in an unlicensed band. The apparatus sets a first measurement section and a second measurement section for the RRM measurement in the unlicensed band, and measures a received signal strength indicator (RSSI) during the first measurement section and the second measurement section.

公开(公告)号：US20180199376A1

公开(公告)日：2018-07-12

申请号：US15741834

申请日：2016-07-11

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Joonkui AHN ,  Hanbyul SEO ,  Byounghoon KIM ,  Hanjun PARK

IPC: H04W74/08 ,  H04L1/00 ,  H04L1/18

Abstract: The present invention relates to a wireless access system supporting an unlicensed band and a carrier sensing method, and more specifically, to methods for performing listen before talk (LBT), methods for selecting a representative carrier, methods for transmitting data bursts, and a device for supporting same. A method for a base station transmitting a data burst in a wireless access system supporting an unlicensed band and carrier aggregation, according to one embodiment of the present invention, may comprise the steps of: selecting a first component carrier (CC) from among at least two CCs; performing a listen before talk (LBT) process during which a random backoff is carried out by the first CC; and transmitting the data burst from the first CC; and transmitting the data burst from the first CC, when the first CC is in an idle state after the LBT process, wherein the step of selecting the first CC may be performed every time a specific number of data bursts have been transmitted or at specific time intervals.

公开(公告)号：US20180199374A1

公开(公告)日：2018-07-12

申请号：US15737637

申请日：2016-06-21

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui AHN

IPC: H04W74/08 ,  H04W28/26 ,  H04W72/12

CPC classification number: H04W74/0816 ,  H04W16/14 ,  H04W28/26 ,  H04W72/12 ,  H04W72/1278 ,  H04W74/08

Abstract: Provided are a communication method in an unlicensed band and a device using same. If the device succeeds in clear channel assessment (CCA) during a reservation time in an unlicensed band, the device transmits a reservation signal and detects reservation signals received from other wireless devices during the reservation time. According to the detection results, the device determines whether to transmit data during a data time corresponding to the reservation time.

公开(公告)号：US20180192355A1

公开(公告)日：2018-07-05

申请号：US15741131

申请日：2016-07-11

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Joonkui AHN ,  Hanbyul SEO ,  Seungmin LEE ,  Jonghyun PARK ,  Hanjun PARK

IPC: H04W48/12 ,  H04L5/00 ,  H04W56/00

CPC classification number: H04W48/12 ,  H04J11/00 ,  H04J11/0069 ,  H04L5/005 ,  H04L27/0012 ,  H04L27/2613 ,  H04L27/2692 ,  H04W56/001

Abstract: The present invention relates to a wireless access system supporting an unlicensed band, methods for configuring a discovery reference signal (DRS), methods for re-configuring subframes for same, methods for transmitting a DRS, and devices for supporting same. A method for a base station transmitting a discovery reference signal (DRS), according to one embodiment of the present invention, comprises: a step of configuring a DRS transmitted from an unlicensed band cell (Ucell) configured in an unlicensed band; and transmitting the configured DRS during a DRS opportunity, wherein the DRS includes a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a cell-specific reference signal (CRS), wherein the SSS is generated on the basis of a subframe (SF) number of a subframe in which the DRS opportunity has occurred, wherein the SSS is generated on the basis of a sequence corresponding to SF number 0 when the SF number is between SF numbers 0 to 4, and the SSS is generated on the basis of a sequence corresponding to SF number 5 when the SF number is between SF numbers 5 to 9.

公开(公告)号：US20180160376A1

公开(公告)日：2018-06-07

申请号：US15887236

申请日：2018-02-02

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Yunjung YI ,  Joonkui AHN ,  Suckchel YANG

IPC: H04W52/14 ,  H04W76/15 ,  H04W52/28

Abstract: A method for performing a power scaling is discussed. The method performed by a user equipment (UE) includes determining, by the UE configured with dual connectivity to a first cell group and a second cell group, a first power for transmitting a first uplink channel on a first subframe toward the first cell group; determining a second power for transmitting a second uplink channel on a second subframe toward the second cell group; and scaling down the second power for transmitting the second uplink channel if a maximum power is exceeded, wherein the first uplink channel includes a first physical random access channel (PRACH), wherein the second uplink channel includes a second PRACH, and wherein the scaling down is performed if the first subframe is overlapped with the second subframe.